{"id":"GHSA-j3w3-p6mr-3hrh","aliases":["RUSTSEC-2026-0079"],"status":"published","title":"DynFuture Drop Can Construct a Dangling Reference","description":"DynFuture is unsound because its Drop implementation transmutes a trait-object reference into unrelated reference types, which constructs an invalid reference from trait object metadata.\n\nThis issue was reproduced against `dyn-future` 3.0.4 under Miri. The crate is unmaintained.","severity":{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","from":"ghsa"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-843"],"published":"2026-01-21T12:00:00Z","modified":"2026-04-05T05:56:19Z","affected":[{"source":"ghsa","ecosystem":"crates.io","package":"dyn-future","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.0.4"}]}]},{"source":"osv","ecosystem":"crates.io","package":"dyn-future","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"last_affected":"3.0.4"}]}]},{"source":"osv","ecosystem":"crates.io","package":"dyn-future","ranges":[{"type":"SEMVER","events":[{"introduced":"0.0.0-0"}]}]}],"references":[{"url":"https://github.com/rustsec/advisory-db/issues/2595","tags":["web","report"]},{"url":"https://rustsec.org/advisories/RUSTSEC-2026-0079.html","tags":["web","advisory"]},{"url":"https://github.com/advisories/GHSA-j3w3-p6mr-3hrh"},{"url":"https://github.com/xacrimon/dyn-future","tags":["package"]},{"url":"https://crates.io/crates/dyn-future","tags":["package"]}],"sources":{"ghsa":[{"id":"GHSA-j3w3-p6mr-3hrh","title":"DynFuture Drop Can Construct a Dangling Reference","description":"DynFuture is unsound because its Drop implementation transmutes a trait-object reference into unrelated reference types, which constructs an invalid reference from trait object metadata.\n\nThis issue was reproduced against `dyn-future` 3.0.4 under Miri. The crate is unmaintained.","status":"published","published":"2026-04-04T05:55:51Z","modified":"2026-04-04T05:55:52Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T14:39:47.945242Z"}],"osv":[{"id":"GHSA-j3w3-p6mr-3hrh","title":"DynFuture Drop Can Construct a Dangling Reference","description":"DynFuture is unsound because its Drop implementation transmutes a trait-object reference into unrelated reference types, which constructs an invalid reference from trait object metadata.\n\nThis issue was reproduced against `dyn-future` 3.0.4 under Miri. The crate is unmaintained.","status":"published","published":"2026-04-04T05:55:51Z","modified":"2026-04-05T05:56:19.401879988Z","cvss":[{"version":"4.0","score":6.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-843"],"updated_at":"2026-11-02T15:46:49.977351Z"},{"id":"RUSTSEC-2026-0079","title":"`DynFuture` drop can construct a dangling reference","description":"DynFuture is unsound because its Drop implementation transmutes a trait-object reference into unrelated reference types, which constructs an invalid reference from trait object metadata.\n\nThis issue was reproduced against `dyn-future` 3.0.4 under Miri. And the crate is unmaintained.","status":"published","published":"2026-01-21T12:00:00Z","modified":"2026-04-05T05:30:42Z","updated_at":"2026-11-02T15:53:40.430679Z"}]}}